From 6435c9100bffea6a2df7603ef62ae00d64c92831 Mon Sep 17 00:00:00 2001
From: Christian Cleberg <hello@cleberg.net>
Date: Tue, 23 May 2023 18:35:45 -0500
Subject: initial fork: updating for php8

---
 ifconfig.php | 153 ++++++++++++++++++++++++++---------------------------------
 1 file changed, 68 insertions(+), 85 deletions(-)

(limited to 'ifconfig.php')

diff --git a/ifconfig.php b/ifconfig.php
index fd0f876..c6fc39b 100644
--- a/ifconfig.php
+++ b/ifconfig.php
@@ -1,45 +1,25 @@
 <?php
-/*
- * User connection info
- *
- * License: GPL v2 (https://www.gnu.org/licenses/gpl-2.0.html)
- *
- * Copyright (C) 2014  Sergey Briskin (http://briskin.org)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- *
- */
+
+$site_title = 'ip.cleberg.net';
 
 // Create array of values
 $user = array(
-	'ip' 		=> $_SERVER['REMOTE_ADDR'],
-	'host' 		=> (isset($_SERVER['REMOTE_ADDR']) ? gethostbyaddr($_SERVER['REMOTE_ADDR']) : ""),
-	'port' 		=> $_SERVER['REMOTE_PORT'],
-	'ua' 		=> $_SERVER['HTTP_USER_AGENT'],
-	'lang' 		=> $_SERVER['HTTP_ACCEPT_LANGUAGE'],
-	'mime' 		=> $_SERVER['HTTP_ACCEPT'],
-	'encoding' 	=> $_SERVER['HTTP_ACCEPT_ENCODING'],
-	'charset' 	=> $_SERVER['HTTP_ACCEPT_CHARSET'],
+	'ip' 		 => $_SERVER['REMOTE_ADDR'],
+	'host' 		 => (isset($_SERVER['REMOTE_ADDR']) ? gethostbyaddr($_SERVER['REMOTE_ADDR']) : ""),
+	'port' 		 => $_SERVER['REMOTE_PORT'],
+	'ua' 		 => $_SERVER['HTTP_USER_AGENT'],
+	'lang' 		 => $_SERVER['HTTP_ACCEPT_LANGUAGE'],
+	'mime' 		 => $_SERVER['HTTP_ACCEPT'],
+	'encoding' 	 => $_SERVER['HTTP_ACCEPT_ENCODING'],
+	'charset' 	 => $_SERVER['HTTP_ACCEPT_CHARSET'],
 	'connection' => $_SERVER['HTTP_CONNECTION'],
-	'cache' 	=> $_SERVER['HTTP_CACHE_CONTROL'],
-	'cookie' 	=> $_SERVER['HTTP_COOKIE'],
-	'referer' 	=> $_SERVER['HTTP_REFERER'],
-	'real_ip' 	=> $_SERVER['HTTP_X_REAL_IP'],
-	'fwd_ip' 	=> $_SERVER['HTTP_X_FORWARDED_FOR'],
-	'fwd_host' 	=> (isset($_SERVER['HTTP_X_FORWARDED_FOR']) ? gethostbyaddr($_SERVER['HTTP_X_FORWARDED_FOR']) : ""),
-	'dnt' 		=> $_SERVER['HTTP_DNT']
+	'cache' 	 => $_SERVER['HTTP_CACHE_CONTROL'],
+	'cookie' 	 => $_SERVER['HTTP_COOKIE'],
+	'referer' 	 => $_SERVER['HTTP_REFERER'],
+	'real_ip' 	 => $_SERVER['HTTP_X_REAL_IP'],
+	'fwd_ip' 	 => $_SERVER['HTTP_X_FORWARDED_FOR'],
+	'fwd_host' 	 => (isset($_SERVER['HTTP_X_FORWARDED_FOR']) ? gethostbyaddr($_SERVER['HTTP_X_FORWARDED_FOR']) : ""),
+	'dnt' 		 => $_SERVER['HTTP_DNT']
 	);
 
 // Check request (ex. ifconfig.php?q=ip)
@@ -56,64 +36,67 @@ elseif (isset($query) && (($query=="text") || ($query=="all"))) {
 		echo $key.": ".$value."\n";
 	}
 	die();
-
 } elseif (isset($query) && ($query=="xml")) {
 	header('Content-Type: text/xml');
-
-// Function for SimpleXML creation
-function array_to_xml(array $arr, SimpleXMLElement $xml)
-{
-    foreach ($arr as $k => $v) {
-        is_array($v)
-            ? array_to_xml($v, $xml->addChild($k))
-            : $xml->addChild($k, $v);
-    }
-    return $xml;
-}
-echo array_to_xml($user, new SimpleXMLElement('<info/>'))->asXML();
-
+	// Function for SimpleXML creation
+	function array_to_xml(array $arr, SimpleXMLElement $xml)
+	{
+    	foreach ($arr as $k => $v) {
+        	is_array($v)
+            	? array_to_xml($v, $xml->addChild($k))
+            	: $xml->addChild($k, $v);
+    	}
+    	return $xml;
+	}
+	echo array_to_xml($user, new SimpleXMLElement('<info/>'))->asXML();
 } elseif (isset($query) && ($query=="json")) {
 	header('Content-Type: application/json');
 	die(json_encode($user));
-
 } else {
 	header('Content-Type: text/html');
-?><!DOCTYPE html>
-<html lang="en">
-<head>
-	<meta charset="UTF-8">
-	<title>info</title>
-	<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no"/>
-	<style>
-		body {
-			background: #FDFDFD;
-			color: #111;
-			font-size: .9em;
-		}
-		p {
-			font-family: "Source Code Pro", "Droid Mono", "Courier New", "Consolas", "Terminal", fixed;
-			line-height: 1em;
-		}
-		.small, .small > a {
-			font-size: 9pt;
-			color: #777;
-			text-align: center;
-			text-decoration: none;
-		}
-	</style>
-</head>
-<body>
-<?
+	echo <<<EOD
+	<!DOCTYPE html>
+	<html lang="en">
+	<head>
+		<meta charset="UTF-8">
+		<title>{$site_title}</title>
+		<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no"/>
+		<style>
+			p,a {
+				font-family: ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, Consolas, 'DejaVu Sans Mono', monospace;
+				line-height: 1em;
+			}
+			.small, .small > a {
+				font-size: 9pt;
+				color: #777;
+				text-align: center;
+				text-decoration: none;
+			}
+		</style>
+	</head>
+	<body>
+	<nav>
+		<a href="/">home</a> &middot;
+		<a href="/?q=text">text</a> &middot;
+		<a href="/?q=xml">xml</a> &middot;
+		<a href="/?q=ip">ip</a> &middot;
+		<a href="/?q=ua">ua</a>
+	</nav>
+	<hr>
+	EOD;
+
 	foreach($user as $key => $value) {
 		echo '	<p id="'.$key.'">'.$key.': '.$value.'</p>'."\n";
 	}
-?>
-<br/>
-<p class="small">Copyright &copy; 2014 <a href="http://briskin.org">Sergey Briskin</a>.<br/>
-<a href="https://github.com/sbriskin/ifconfig.php">Get Source code on GitHub</a></p>
-</body>
-</html>
-<?
+
+	$date = date("Y");
+	echo <<<EOD
+	<br>
+	<p class="small">Copyright &copy; {$date} <a href="https://cleberg.net">Christian Cleberg</a>.<br/>
+	<a target="_blank" rel="noreferrer" href="https://git.sr.ht/~cmc/ifconfig.php">Source Code</a></p>
+	</body>
+	</html>
+	EOD;
 }
 die();
 ?>
-- 
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